Wide-field optical coherence tomography deviation map for early glaucoma detection
- Authors
- Kim, Hyungjun; Park, Hae Min; Jeong, Hyo Chan; Moon, So Yeon; Cho, Hyunsoo; Lim, Han Woong; Seong, Mincheol; Park, Junhong; Lee, Won June
- Issue Date
- Jan-2023
- Publisher
- BMJ PUBLISHING GROUP
- Keywords
- glaucoma; diagnostic tests; investigation; imaging
- Citation
- BRITISH JOURNAL OF OPHTHALMOLOGY, v.107, no.1, pp.49 - 55
- Indexed
- SCIE
SCOPUS
- Journal Title
- BRITISH JOURNAL OF OPHTHALMOLOGY
- Volume
- 107
- Number
- 1
- Start Page
- 49
- End Page
- 55
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/185439
- DOI
- 10.1136/bjophthalmol-2021-319509
- ISSN
- 0007-1161
- Abstract
- Background/aims: This study aimed to establish a wide-field optical coherence tomography (OCT) deviation map obtained from swept-source OCT (SS-OCT) scans. Moreover, it also aimed to compare the diagnostic ability of this wide-field deviation map with that of the peripapillary and macular deviation maps currently being used for the detection of early glaucoma (EG). Methods: Four hundred eyes, including 200 healthy eyes and 200 eyes with EG were enrolled in this retrospective observational study. Patients underwent a comprehensive ocular examination, including wide-field SS-OCT (DRI-OCT Triton; Topcon, Tokyo, Japan). The individual wide-field scan was converted into a uniform template using the fovea and optic disc centres as fixed landmarks. Subsequently, the wide-field deviation map was obtained via the comparison between individual wide-field data and a normative wide-field database that had been created by combining images of healthy eyes into a uniform template in a previous study. The ability of the new wide-field deviation map to distinguish between EG and healthy eyes was assessed by comparing it with conventional deviation maps based on the area under the receiver operating characteristic curve (AUC). Results: The wide-field deviation map obtained using the normative wide-field database showed the highest diagnostic ability for the diagnosis of EG (AUC=0.980 and 961 for colour-coded pixels presenting <5% and <1%, respectively) among various deviation maps. Its AUC was significantly superior to that of most conventional deviation maps (p<0.05). The wide-field deviation map demonstrated early structural glaucomatous damage well over a wider area. Conclusion: The wide-field SS-OCT deviation map exhibited good performance for distinguishing between eyes with EG and healthy eyes. The visualisation of the wider damaged area on the wide-field deviation map could be useful for the diagnosis of EG in clinical settings.
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